Dono, Kasino and Indro (the Warkop DKI comedy trio) are waiters at a restaurant owned by the parents of Yully, the girlfriend of Kasino. They are specially hired to compete with a rival restaurant owner, Soleh, who likes to sabotage Yully's father’s restaurant. Many slapstick antics such as catching a rat that falls from the attic, start the comedy rolling. Then the journalists and the police start watching Soleh, and that finally leads to his arrest.
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